CA2556617C - Method for management of data processing with conditional access by means of at least two decoders - Google Patents

Method for management of data processing with conditional access by means of at least two decoders Download PDF

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Publication number
CA2556617C
CA2556617C CA2556617A CA2556617A CA2556617C CA 2556617 C CA2556617 C CA 2556617C CA 2556617 A CA2556617 A CA 2556617A CA 2556617 A CA2556617 A CA 2556617A CA 2556617 C CA2556617 C CA 2556617C
Authority
CA
Canada
Prior art keywords
decoder
decoders
messages
message
subscriber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA2556617A
Other languages
English (en)
French (fr)
Other versions
CA2556617A1 (en
Inventor
Henri Kudelski
Corinne Le Buhan
Guy Moreillon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nagravision SARL
Original Assignee
Nagravision SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nagravision SA filed Critical Nagravision SA
Publication of CA2556617A1 publication Critical patent/CA2556617A1/en
Application granted granted Critical
Publication of CA2556617C publication Critical patent/CA2556617C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/418External card to be used in combination with the client device, e.g. for conditional access
    • H04N21/4181External card to be used in combination with the client device, e.g. for conditional access for conditional access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462Content or additional data management e.g. creating a master electronic programme guide from data received from the Internet and a Head-end or controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41Structure of client; Structure of client peripherals
    • H04N21/418External card to be used in combination with the client device, e.g. for conditional access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/43615Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/436Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4367Establishing a secure communication between the client and a peripheral device or smart card
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44227Monitoring of local network, e.g. connection or bandwidth variations; Detecting new devices in the local network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462Content or additional data management e.g. creating a master electronic programme guide from data received from the Internet and a Head-end or controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4623Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/162Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
    • H04N7/163Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing by receiver means only
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/16Analogue secrecy systems; Analogue subscription systems
    • H04N7/167Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675Providing digital key or authorisation information for generation or regeneration of the scrambling sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Computer And Data Communications (AREA)
CA2556617A 2004-02-23 2005-02-22 Method for management of data processing with conditional access by means of at least two decoders Expired - Fee Related CA2556617C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04100702A EP1569452A1 (de) 2004-02-23 2004-02-23 Verfahren zur Verwaltung der Verarbeitung von Daten für bedingten Zugriff durch mindestens zwei Entschlüsselungsgeräte
EP04100702.2 2004-02-23
PCT/EP2005/050750 WO2005091634A1 (fr) 2004-02-23 2005-02-22 Procédé de gestion du traitement de données à accès conditionnel par au moins deux décodeurs

Publications (2)

Publication Number Publication Date
CA2556617A1 CA2556617A1 (en) 2005-09-29
CA2556617C true CA2556617C (en) 2014-10-21

Family

ID=34746060

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2556617A Expired - Fee Related CA2556617C (en) 2004-02-23 2005-02-22 Method for management of data processing with conditional access by means of at least two decoders

Country Status (7)

Country Link
EP (2) EP1569452A1 (de)
KR (1) KR101107412B1 (de)
CN (1) CN1922876A (de)
AT (1) ATE532332T1 (de)
CA (1) CA2556617C (de)
IL (1) IL177154A0 (de)
WO (1) WO2005091634A1 (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0826288B1 (de) * 1996-03-18 2000-09-13 News Datacom Ltd. Chipkartenkopplung für pay-tv-systeme
US8068610B2 (en) * 2001-11-21 2011-11-29 General Instrument Corporation Method and system for providing security within multiple set-top boxes assigned for a single customer
FR2840749A1 (fr) * 2002-06-05 2003-12-12 Thomson Licensing Sa Systeme de reception de contenu a acces autorise, terminal d'acces a ce contenu et procede d'acces a ce contenu

Also Published As

Publication number Publication date
KR20070018847A (ko) 2007-02-14
EP1723788B1 (de) 2011-11-02
IL177154A0 (en) 2006-12-10
ATE532332T1 (de) 2011-11-15
CA2556617A1 (en) 2005-09-29
KR101107412B1 (ko) 2012-01-19
EP1569452A1 (de) 2005-08-31
CN1922876A (zh) 2007-02-28
WO2005091634A1 (fr) 2005-09-29
EP1723788A1 (de) 2006-11-22

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Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20200224